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Showing 1–3 of 3 results
Advanced filters: Author: C. Stephen Hellberg Clear advanced filters

  • The origin of the two-dimensional electron liquid between LaAlO3 and SrTiO3 has been a matter of debate. The authors’ investigation of stoichiometry reveals that only Al-rich LaAlO3leads to electron liquid formation, which points to the much discussed polar catastrophe mechanism as its origin.

    • M. P. Warusawithana
    • C. Richter
    • D. G. Schlom
    Research
    Nature Communications
    Volume: 4, P: 1-9

  • Evidence is presented for electron pairing in strontium titanate far above the superconducting transition temperature; such pairs are thought to be the long-sought pre-formed pairs that condense at lower temperatures to give rise to the unconventional superconducting state in this system.

    • Guanglei Cheng
    • Michelle Tomczyk
    • Jeremy Levy
    Research
    Nature
    Volume: 521, P: 196-199